CN110922869A - Clear primer for scientific wood veneer and preparation method thereof - Google Patents
Clear primer for scientific wood veneer and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The embodiment of the invention provides a clear primer for scientific and technological veneers and a preparation method thereof, the clear primer for scientific and technological veneers has good coating adhesion, a marking test reaches a level of 1, the coating has good flexibility, a bending test reaches a level of 1, the impact resistance is a level of 50cm, after a 1000-hour artificial weathering test, a paint film does not foam, crack or fall off, and the problems of chalking, discoloring and light loss are avoided, so that the discoloration resistance and yellowing resistance of the scientific and technological veneers are obviously improved when the scientific and technological veneers are used for a long time, and in addition, the leveling property is good when the clear primer for scientific and technological veneers is constructed. The preparation method of the clear primer for the scientific and technological veneer has the advantages of simple process, ordered steps, low requirement on equipment and easy preparation.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a clear primer for scientific and technical wood veneers and a preparation method thereof.
Background
The technical wood veneer is a novel wood material which is formed by combining common wood or fast-growing wood according to requirements and has various colors and patterns by adopting a high-tech means through a special processing technology. With the leap growth of furniture manufacturing industry and decoration industry, the technical wood veneer is widely applied to products such as furniture, decoration engineering, veneer, whole-wood customized home, floor, wood door and the like.
Compared with natural wood, the scientific wood veneer has the following advantages: (1) the color is rich, and the texture is various. The technical wood can not only imitate the wood grain of various natural woods, especially natural precious woods, but also create the colors and the textures which can not be formed by the natural woods, so that the selection of the wood textures and the colors can be really random, and the requirements of the diversity of the consumer demand level and the individuation of the consumption psychology can be fully met; (2) the advantages and disadvantages are raised, and the performance is excellent. The color and the texture of the scientific wood veneer can be artificially controlled, so the natural defects such as color difference, color change, knots, wormholes and the like inherent in the natural wood can be overcome, and the wood can be added with new functions such as corrosion prevention, moth prevention and the like through special treatment, so that the performance of the wood is more excellent, the excellent rate of products is close to 100 percent, and the wood veneer is a novel wood decorative material with almost no defects; (3) the specification is unified, and the utilization rate is high. The common specification of the scientific wood veneer is 64cm wide and 250cm long, two wood veneers can be spliced into a board and can be processed into different breadth sizes according to different requirements, the diameter grade limitation of natural wood is overcome, and the utilization rate is up to more than 99%. (4) The machining is convenient, and the time is saved. The technical wood has uniform material quality, moderate density, good cutting performance and convenient processing, can save processing time, improve labor productivity and reduce production cost of enterprises.
However, the technical wood veneer is easy to yellow after being irradiated by sunlight and easy to be dissolved by a solvent to change color in the coating process.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the clear primer for the scientific wood veneer, the clear primer for the scientific wood veneer has strong adhesive force, good flexibility, no discoloration, yellowing resistance and good leveling property during construction, and a paint film can obviously improve the discoloration resistance and yellowing resistance of the scientific wood veneer during long-term use.
The invention also provides a preparation method of the clear primer for the scientific and technological veneer.
The clear primer for scientific and technical wood veneer according to the first aspect of the invention comprises a component A, a component B and a component C, wherein the weight ratio of the component A to the component B to the component C is 1: 0.5: (0.5-0.7), the fineness of the component A is less than or equal to 40 mu m, and the viscosity of the component A is 4500-5000 mpa.s/30 ℃.
According to some embodiments of the present invention, the component a comprises the following preparation raw materials in parts by weight:
coconut oil alkyd resin: 45 to 65.45 parts of (a) to (b),
acrylic resin: 15 to 21 parts by weight of a surfactant,
dispersing agent: 0.3 to 0.5 part by weight,
leveling agent: 0.05 to 0.1 portion of,
a first defoaming agent: 0.1 to 0.2 part by weight,
a second defoaming agent: 0.1 to 0.2 part by weight,
n-butyl acetate: 1 to 4.5 parts by weight of a stabilizer,
zinc stearate: 2 to 3.5 parts by weight of a stabilizer,
talc powder: 10-13 parts of (a) a water-soluble polymer,
cellulose acetate: 2 to 5 parts by weight of a stabilizer,
polyamide wax: 2 to 3 parts of (A) a water-soluble polymer,
ultraviolet light absorber: 0.5 to 1 part by weight of a surfactant,
hindered amine stabilizers: 0.5 to 1 part by weight of a surfactant,
ethyl acetate: 0.5-2 parts.
Wherein, the coconut oil alkyd resin can be prepared by the following trademarks of Tesmann company: 3815. the acrylic resin can be obtained by using a trade name of Neppes resin (Foshan): 1263SS-51 or moderate resin company, product brand: hypmer FS-2050. The ultraviolet light absorber is a brand produced by basf corporation: tinuvin 400. The hindered amine stabilizer is Tinuvin 123. Cellulose acetate is available from Istman corporation under the trade name: CAB-551-0.2. The dispersant can be EFCONA4008, the flatting agent can be EFKA-3033, the first defoaming agent can be BYK-066N, the second defoaming agent can be HX-2030, and the talcum powder is 1250-mesh talcum powder.
The cellulose acetate refers to 30 wt% cellulose acetate, and the 30 wt% cellulose acetate can be purchased directly or prepared by self, and the self-preparation method comprises the following steps: dispersing and stirring 20 wt% of methyl isobutyl ketone, 30 wt% of CAB-551-0.2 and 30 wt% of butyl acetate until the methyl isobutyl ketone, the CAB-551-0.2 and the butyl acetate are completely dissolved, and continuously dispersing until the fineness is less than or equal to 10 mu m to obtain the 30 wt% of cellulose acetate.
The polyamide wax is 20% by mass.
The ultraviolet light absorber is Tinuvin400, and the hindered amine stabilizer is Tinuvin 123.
According to some embodiments of the invention, the component b comprises the following preparation raw materials in parts by weight:
n-butyl acetate: 8 to 34 parts of (A) to (B),
ethyl acetate: 15 to 25 parts of (a) a water-soluble polymer,
N3390/XT 190: 16-22 parts of (a) a water-soluble polymer,
ok.d.s: 35-45 parts.
Wherein, N3390/XT190 refers to HDI trimer curing agent produced by Corsik corporation, and the name is: an aliphatic polyisocyanate curing agent.
According to some embodiments of the invention, the component c comprises the following preparation raw materials in parts by weight:
toluene: 45-50 parts of (A) a water-soluble polymer,
n-butyl acetate: 15 to 20 parts of (a) a water-soluble polymer,
ethyl acetate: 20-15 parts of (a) a water-soluble polymer,
propylene glycol methyl ether acetate: 15-20 parts.
The clear primer for scientific and technical wood veneer according to the embodiment of the invention has at least the following technical effects:
the clear primer for the scientific and technological veneer has good coating adhesive force, and the marking test reaches the level of 1. Meanwhile, the coating has good flexibility, the bending test reaches level 1, and the impact resistance is 50 cm. After the artificial weather aging resistance test of 1000h, the paint film does not bubble, crack, fall off, and have no problems of pulverization, color change and light loss, and the anti-tarnishing performance and the anti-yellowing performance of the scientific wood veneer are obviously improved when the scientific wood veneer is used for a long time. In addition, the leveling property is good when the clear primer for the scientific and technological veneer is constructed.
According to the preparation method of the clear primer for scientific and technical wood veneer, provided by the embodiment of the second aspect of the invention, the preparation method is simple in process, ordered in steps, low in equipment requirement and easy to prepare.
The preparation method of the clear primer for the scientific and technological veneer according to the embodiment of the invention comprises the following steps:
s1: weighing the preparation raw materials of the component A, the component B and the component C according to the proportion, adding coconut oil alkyd resin, acrylic resin, a dispersing agent, a leveling agent, a first defoaming agent, a second defoaming agent and part of n-butyl acetate in the preparation raw materials of the component A into a dispersion cylinder for first dispersion at a first stirring speed, adding zinc stearate and talcum powder for second dispersion at a second stirring speed until the fineness is less than or equal to 40 mu m, adding cellulose acetate, polyamide wax, an ultraviolet absorber, a hindered amine stabilizer and ethyl acetate for third dispersion at a third stirring speed, and finally adding the rest of n-butyl acetate to obtain the component A;
s2: uniformly mixing N-butyl acetate, ethyl acetate, N3390/XT190 and OK.D.S in the raw materials for preparing the component B to obtain the component B;
s3: uniformly mixing toluene, n-butyl acetate, ethyl acetate and propylene glycol monomethyl ether acetate in the raw materials for preparing the component C to obtain the component C;
s4: and (4) uniformly mixing the component A, the component B and the component C which are prepared in the steps S1-S3 to obtain the clear primer for the scientific wood veneer.
According to some embodiments of the invention, the first stirring speed is 600 to 800 rpm.
According to some embodiments of the invention, the dispersion time of the first dispersion is greater than 5 min.
According to some embodiments of the invention, the second stirring speed is 1200 to 1500 rpm.
According to some embodiments of the invention, the third stirring speed is 800 to 1200 rpm.
According to some embodiments of the invention, the dispersion time of the third dispersion is greater than 10 min.
In step S1, after adding talcum powder, the edge of the jar is cleaned by n-butyl acetate, and the edge of the jar is shoveled to ensure that no edge is covered and no agglomeration is caused.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention will be further described with reference to the examples, but the present invention is not limited to the examples.
Example 1
The embodiment provides a clear primer for scientific and technical wood veneer, which comprises a component A, a component B and a component C, wherein the weight ratio of the component A to the component B to the component C is 1: 0.5: (0.5-0.7), the fineness of the component A is less than or equal to 40 mu m, and the viscosity of the component A is 4500-5000 mpa.s/30 ℃.
The clear primer seed for the scientific and technological veneer comprises a component A and a component B, wherein the component A comprises the following preparation raw materials in parts by weight:
coconut oil alkyd resin: 45-65.45 parts of acrylic resin: 15-21 parts of a dispersant: 0.3-0.5 parts of a leveling agent: 0.05-0.1 part of a first defoaming agent: 0.1-0.2 parts of a second defoaming agent: 0.1-0.2 parts, n-butyl acetate: 1-4.5 parts of zinc stearate: 2-3.5 parts, talcum powder: 10-13 parts of cellulose acetate: 2-5 parts of polyamide wax: 2-3 parts of an ultraviolet absorber: 0.5-1 part of hindered amine stabilizer: 0.5-1 part of ethyl acetate: 0.5-2 parts.
Wherein, coconut oil alkyd resin with the trade name of 3815 produced by Tesmann company can be used. The acrylic resin may be 1263SS-51 available from Nepetes resin (Foshan) or Hypmer FS-2050 available from Somi resin. The dispersant can be EFCONA4008, the flatting agent can be EFKA-3033, the first defoaming agent can be BYK-066N, the second defoaming agent can be HX-2030, and the talcum powder is 1250-mesh talcum powder.
The cellulose acetate refers to 30 wt% cellulose acetate, and the 30 wt% cellulose acetate can be purchased directly or prepared by self, and the self-preparation method comprises the following steps: dispersing and stirring 20 wt% of methyl isobutyl ketone, 30 wt% of CAB-551-0.2 and 30 wt% of butyl acetate until the methyl isobutyl ketone, the CAB-551-0.2 and the butyl acetate are completely dissolved, and continuously dispersing until the fineness is less than or equal to 10 mu m to obtain the 30 wt% of cellulose acetate. Cellulose acetate available under the trade name 1263SS-51 from Nepetes resin (Foshan) or Hypmer FS-2050 from Somi resin was purchased directly.
The polyamide wax is 20% by mass.
The ultraviolet light absorber is Tinuvin400, and the hindered amine stabilizer is Tinuvin 123.
In the clear primer for the scientific and technological veneer, the component B comprises the following preparation raw materials in parts by weight:
n-butyl acetate: 8-34 parts of ethyl acetate: 15-25 parts, N3390/XT 190: 16-22 parts, OK.D.S: 35-45 parts.
Wherein, N3390/XT190 refers to HDI trimer curing agent produced by Corsik corporation, and the name is: an aliphatic polyisocyanate curing agent.
In the clear primer for the scientific and technological veneer, the third component comprises the following preparation raw materials in parts by weight:
toluene: 45-50 parts of n-butyl acetate: 15-20 parts of ethyl acetate: 20-15 parts of propylene glycol methyl ether acetate: 15-20 parts.
Example 2
The embodiment provides a preparation method of clear primer for scientific wood veneer, which comprises the following steps:
s1: weighing the preparation raw materials of the component A, the component B and the component C according to the proportion, adding coconut oil alkyd resin, acrylic resin, a dispersing agent, a leveling agent, a first defoaming agent, a second defoaming agent and part of n-butyl acetate in the preparation raw materials of the component A into a dispersion cylinder for first dispersion at a first stirring speed, adding zinc stearate and talcum powder for second dispersion at a second stirring speed until the fineness is less than or equal to 40 mu m, adding cellulose acetate, polyamide wax, an ultraviolet absorber, a hindered amine stabilizer and ethyl acetate for third dispersion at a third stirring speed, and finally adding the rest of n-butyl acetate to obtain the component A;
s2: uniformly mixing N-butyl acetate, ethyl acetate, N3390/XT190 and OK.D.S in the raw materials for preparing the component B to obtain the component B;
s3: uniformly mixing toluene, n-butyl acetate, ethyl acetate and propylene glycol monomethyl ether acetate in the raw materials for preparing the component C to obtain the component C;
s4: and (4) uniformly mixing the component A, the component B and the component C which are prepared in the steps S1-S3 to obtain the clear primer for the scientific wood veneer.
In step S1: the first stirring speed is 600-800 rpm. The dispersion time of the first dispersion is more than 5 min. The second stirring speed is 1200-1500 rpm. The third stirring speed is 800-1200 rpm. The dispersing time of the third dispersing is more than 10 min. After adding the talcum powder, the side of the jar is cleaned by n-butyl acetate, and the side of the jar is shoveled to ensure that no edge is covered and no agglomeration is caused.
Example 3
According to the formulation provided in example 1 and the preparation method provided in example 2, clear primer a for technical wood veneer and clear primer B for technical wood veneer are prepared, and the specific formulation is shown in table 1.
TABLE 1 preparation raw materials of A component, B component and C component in clear primer A and B for scientific and technological veneer
In the clear primer A for the scientific wood veneer, the weight ratio of the component A to the component B to the component C is 1: 0.5: 0.5.
in the clear primer B for the scientific wood veneer, the weight ratio of the component A to the component B to the component C is 1: 0.5: 0.7.
in the component A, n-butyl acetate is divided into 3 parts, the first part is added after the defoamer is added, the second part is added after the talcum powder is added, and the third part is added finally, namely after the third dispersion, not less than 2kg of paint is discharged from an interface and poured back into a dispersion tank, the paint is uniformly dispersed and then is inspected, the third part of n-butyl acetate is added, the viscosity is adjusted to 4500-5000 mpa.s/30 ℃, and the clear primer for the scientific and technological veneer is prepared.
Example 4
The embodiment provides a coating process of clear primer for scientific and technical wood veneer, which comprises the following specific steps:
thoroughly cleaning impurities and stains on the board to ensure no pollution on the surface of the wood;
and thinning the components A, B and C in the clear primer according to a proportion, performing spraying/brushing construction, sealing by thinly coating the white wood blank twice with the clear primer in the construction process, spraying the clear primer by a wet-to-wet construction process after a paint film is dried for 30min, and spraying the paint film fullness by polishing and recoating among layers after the paint film is dried for more than 6 h. And after the paint film is plump, polishing and recoating the matte finish paint.
Example 5
In this example, a test board was coated by the coating process provided in example 4 using the clear primer a for scientific wood veneer prepared in example 3. The prepared clear primer paint film is detected, wherein the performance of the paint film can be detected by referring to an industry standard HG/T2454-2014, and the limit of harmful substances can be detected by referring to a national standard GB 18581-2009. The results are shown in Table 2.
Table 2 coating performance test results of clear primer a for technical veneers
According to the test results in table 2, the coating adhesion of the clear primer for wood veneer of the embodiment of the invention is good, and the marking test reaches the level of 1. Meanwhile, the coating has good flexibility, the bending test reaches level 1, and the impact resistance is 50 cm. After the artificial weather aging resistance test of 1000h, the paint film does not bubble, crack, fall off, and have no problems of pulverization, color change and light loss, and the anti-tarnishing performance and the anti-yellowing performance of the scientific wood veneer are obviously improved when the scientific wood veneer is used for a long time. In addition, the leveling property is good when the clear primer for the scientific and technological veneer is constructed.
Example 6
This example compares the paint film properties of the clear primer A for technical wood veneer prepared in example 3 and the commercially available PU clear paint samples I and II, and the results are shown in Table 3.
TABLE 3 comparison of the film properties of clear primer A for technical veneers with two commercially available PU varnishes
Claims (10)
1. The clear primer for scientific and technological veneers is characterized by comprising a component A, a component B and a component C, wherein the weight ratio of the component A to the component B to the component C is 1: 0.5: (0.5-0.7), the fineness of the component A is less than or equal to 40 mu m, and the viscosity of the component A is 4500-5000 mpa.s/30 ℃.
2. The clear primer for scientific and technological veneer according to claim 1, wherein the component A comprises the following preparation raw materials in parts by weight:
coconut oil alkyd resin: 45 to 65.45 parts of (a) to (b),
acrylic resin: 15 to 21 parts by weight of a surfactant,
dispersing agent: 0.3 to 0.5 part by weight,
leveling agent: 0.05 to 0.1 portion of,
a first defoaming agent: 0.1 to 0.2 part by weight,
a second defoaming agent: 0.1 to 0.2 part by weight,
n-butyl acetate: 1 to 4.5 parts by weight of a stabilizer,
zinc stearate: 2 to 3.5 parts by weight of a stabilizer,
talc powder: 10-13 parts of (a) a water-soluble polymer,
cellulose acetate: 2 to 5 parts by weight of a stabilizer,
polyamide wax: 2 to 3 parts of (A) a water-soluble polymer,
ultraviolet light absorber: 0.5 to 1 part by weight of a surfactant,
hindered amine stabilizers: 0.5 to 1 part by weight of a surfactant,
ethyl acetate: 0.5-2 parts.
3. The clear primer for scientific and technological veneer according to claim 1, wherein the component B comprises the following preparation raw materials in parts by weight:
n-butyl acetate: 8 to 34 parts of (A) to (B),
ethyl acetate: 15 to 25 parts of (a) a water-soluble polymer,
N3390/XT 190: 16-22 parts of (a) a water-soluble polymer,
ok.d.s: 35-45 parts.
4. The clear primer for scientific and technological veneer according to claim 1, characterized in that the third component comprises the following preparation raw materials in parts by weight:
toluene: 45-50 parts of (A) a water-soluble polymer,
n-butyl acetate: 15 to 20 parts of (a) a water-soluble polymer,
ethyl acetate: 20-15 parts of (a) a water-soluble polymer,
propylene glycol methyl ether acetate: 15-20 parts.
5. The preparation method of the primer for scientific and technical wood veneer according to any one of claims 1 to 4, which comprises the following steps:
s1: weighing the preparation raw materials of the component A, the component B and the component C according to the proportion, adding coconut oil alkyd resin, acrylic resin, a dispersing agent, a leveling agent, a first defoaming agent, a second defoaming agent and part of n-butyl acetate in the preparation raw materials of the component A into a dispersion cylinder for first dispersion at a first stirring speed, adding zinc stearate and talcum powder for second dispersion at a second stirring speed until the fineness is less than or equal to 40 mu m, adding cellulose acetate, polyamide wax, an ultraviolet absorber, a hindered amine stabilizer and ethyl acetate for third dispersion at a third stirring speed, and finally adding the rest of n-butyl acetate to obtain the component A;
s2: uniformly mixing N-butyl acetate, ethyl acetate, N3390/XT190 and OK.D.S in the raw materials for preparing the component B to obtain the component B;
s3: uniformly mixing toluene, n-butyl acetate, ethyl acetate and propylene glycol monomethyl ether acetate in the raw materials for preparing the component C to obtain the component C;
s4: and (4) uniformly mixing the component A, the component B and the component C which are prepared in the steps S1-S3 to obtain the clear primer for the scientific wood veneer.
6. The preparation method of the primer cleaner for scientific and technological veneer according to claim 5, wherein the first stirring speed is 600-800 rpm.
7. The method for preparing the primer cleaner for scientific wood veneers as recited in claim 5, wherein the first dispersing time is longer than 5 min.
8. The method for preparing the primer cleaner for scientific wood veneers as recited in claim 5, wherein the second stirring speed is 1200-1500 rpm.
9. The preparation method of the primer cleaner for scientific and technological veneer according to claim 5, wherein the third stirring speed is 800-1200 rpm.
10. The method for preparing the primer cleaner for scientific wood veneers as recited in claim 5, wherein the dispersion time of the third dispersion is longer than 10 min.
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| CN112657808A (en) * | 2021-03-12 | 2021-04-16 | 朱明� | Color fixing and anti-cracking process for office furniture |
| CN115975495A (en) * | 2022-12-23 | 2023-04-18 | 澳达树熊涂料(惠州)有限公司 | High-transparency anti-sinking double-component transparent primer and preparation method thereof |
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| CN112657808A (en) * | 2021-03-12 | 2021-04-16 | 朱明� | Color fixing and anti-cracking process for office furniture |
| CN115975495A (en) * | 2022-12-23 | 2023-04-18 | 澳达树熊涂料(惠州)有限公司 | High-transparency anti-sinking double-component transparent primer and preparation method thereof |
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